removed gtk.h include

[wxWidgets.git] / src / msw / clipbrd.cpp

diff --git a/src/msw/clipbrd.cpp b/src/msw/clipbrd.cpp
index 424c1c45244206e0dfd1a54e5fa07e5913c2fba3..9d351247651e1670efba85920b0a4d784b455383 100644 (file)
--- a/src/msw/clipbrd.cpp
+++ b/src/msw/clipbrd.cpp
@@ -5,8 +5,8 @@
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:     wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================


@@ -17,7 +17,7 @@
 // headers
 // ---------------------------------------------------------------------------
 
 // headers
 // ---------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "clipbrd.h"
 #endif
 
     #pragma implementation "clipbrd.h"
 #endif
 


@@ -52,23 +52,33 @@
 #include "wx/clipbrd.h"
 
 #include <string.h>
 #include "wx/clipbrd.h"
 
 #include <string.h>

-#include <windows.h>

 
 #include "wx/msw/private.h"
 
 #include "wx/msw/private.h"

+
+#if wxUSE_WXDIB

 #include "wx/msw/dib.h"
 #include "wx/msw/dib.h"

+#endif

 
 

-// wxDataObject is tied to OLE/drag and drop implementation,
-// therefore so is wxClipboard :-(
-#if wxUSE_DRAG_AND_DROP
-    #include "wx/dataobj.h"
+// wxDataObject is tied to OLE/drag and drop implementation, therefore so are
+// the functions using wxDataObject in wxClipboard
+//#define wxUSE_DATAOBJ wxUSE_DRAG_AND_DROP

 
 

-    static bool wxSetClipboardData(wxDataObject *data);
+#if wxUSE_DATAOBJ
+    #include "wx/dataobj.h"

 #endif
 
 #endif
 

-#ifdef __WIN16__
-    #define memcpy hmemcpy
+#if wxUSE_OLE && !defined(__WXWINCE__)
+    // use OLE clipboard
+    #define wxUSE_OLE_CLIPBOARD 1
+#else // !wxUSE_DATAOBJ
+    // use Win clipboard API
+    #define wxUSE_OLE_CLIPBOARD 0

 #endif
 
 #endif
 

+#if wxUSE_OLE_CLIPBOARD
+    #include <ole2.h>
+#endif // wxUSE_OLE_CLIPBOARD
+

 // ===========================================================================
 // implementation
 // ===========================================================================
 // ===========================================================================
 // implementation
 // ===========================================================================


@@ -81,7 +91,7 @@ static bool gs_wxClipboardIsOpen = FALSE;
 
 bool wxOpenClipboard()
 {
 
 bool wxOpenClipboard()
 {

-    wxCHECK_MSG( !gs_wxClipboardIsOpen, TRUE, T("clipboard already opened.") );
+    wxCHECK_MSG( !gs_wxClipboardIsOpen, TRUE, wxT("clipboard already opened.") );

 
     wxWindow *win = wxTheApp->GetTopWindow();
     if ( win )
 
     wxWindow *win = wxTheApp->GetTopWindow();
     if ( win )


@@ -95,7 +105,7 @@ bool wxOpenClipboard()
     }
     else
     {
     }
     else
     {

-        wxLogDebug(T("Can not open clipboard without a main window."));
+        wxLogDebug(wxT("Can not open clipboard without a main window."));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -103,7 +113,7 @@ bool wxOpenClipboard()
 
 bool wxCloseClipboard()
 {
 
 bool wxCloseClipboard()
 {

-    wxCHECK_MSG( gs_wxClipboardIsOpen, FALSE, T("clipboard is not opened") );
+    wxCHECK_MSG( gs_wxClipboardIsOpen, FALSE, wxT("clipboard is not opened") );

 
     gs_wxClipboardIsOpen = FALSE;
 
 
     gs_wxClipboardIsOpen = FALSE;
 


@@ -136,40 +146,31 @@ bool wxIsClipboardOpened()
 
 bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat)
 {
 
 bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat)
 {

-    return ::IsClipboardFormatAvailable(dataFormat) != 0;
-}
+   wxDataFormat::NativeFormat cf = dataFormat.GetFormatId();

 
 

-#if wxUSE_DRAG_AND_DROP
-static bool wxSetClipboardData(wxDataObject *data)
-{
-    size_t size = data->GetDataSize();
-    HANDLE hGlobal = ::GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, size);
-    if ( !hGlobal )
+    if ( ::IsClipboardFormatAvailable(cf) )

     {
     {

-        wxLogSysError(_("Failed to allocate %dKb of memory for clipboard "
-                        "transfer."), size / 1024);
-
-        return FALSE;
+        // ok from the first try
+        return TRUE;

     }
 
     }
 

-    LPVOID lpGlobalMemory = ::GlobalLock(hGlobal);
-
-    data->GetDataHere(lpGlobalMemory);
-
-    GlobalUnlock(hGlobal);
-
-    wxDataFormat format = data->GetPreferredFormat();
-    if ( !::SetClipboardData(format, hGlobal) )
+    // for several standard formats, we can convert from some other ones too
+    switch ( cf )

     {
     {

-        wxLogSysError(_("Failed to set clipboard data in format %s"),
-                      wxDataObject::GetFormatName(format));
+        // for bitmaps, DIBs will also do
+        case CF_BITMAP:
+            return ::IsClipboardFormatAvailable(CF_DIB) != 0;

 
 

-        return FALSE;
-    }
+#if wxUSE_ENH_METAFILE && !defined(__WXWINCE__)
+        case CF_METAFILEPICT:
+            return ::IsClipboardFormatAvailable(CF_ENHMETAFILE) != 0;
+#endif // wxUSE_ENH_METAFILE

 
 

-    return TRUE;
+        default:
+            return FALSE;
+    }

 }
 }

-#endif // wxUSE_DRAG_AND_DROP
+

 
 bool wxSetClipboardData(wxDataFormat dataFormat,
                         const void *data,
 
 bool wxSetClipboardData(wxDataFormat dataFormat,
                         const void *data,


@@ -215,19 +216,27 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
                 break;
             }
 
                 break;
             }
 

+#if wxUSE_WXDIB

         case wxDF_DIB:
             {
         case wxDF_DIB:
             {

-#if wxUSE_IMAGE_LOADING_IN_MSW

                 wxBitmap *bitmap = (wxBitmap *)data;
                 wxBitmap *bitmap = (wxBitmap *)data;

-                HBITMAP hBitmap = (HBITMAP)bitmap->GetHBITMAP();
-                // NULL palette means to use the system one
-                HANDLE hDIB = wxBitmapToDIB(hBitmap, (HPALETTE)NULL); 
-                handle = SetClipboardData(CF_DIB, hDIB);
-#endif
+
+                if ( bitmap && bitmap->Ok() )
+                {
+                    wxDIB dib(*bitmap);
+                    if ( dib.IsOk() )
+                    {
+                        handle = ::SetClipboardData(CF_DIB, dib.Detach());
+                    }
+                }

                 break;
             }
                 break;
             }

+#endif

 
 

-#if wxUSE_METAFILE
+    // VZ: I'm told that this code works, but it doesn't seem to work for me
+    //     and, anyhow, I'd be highly surprised if it did. So I leave it here
+    //     but IMNSHO it is completely broken.
+#if wxUSE_METAFILE && !defined(wxMETAFILE_IS_ENH) && !defined(__WXWINCE__)

         case wxDF_METAFILE:
             {
                 wxMetafile *wxMF = (wxMetafile *)data;
         case wxDF_METAFILE:
             {
                 wxMetafile *wxMF = (wxMetafile *)data;


@@ -244,7 +253,20 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
                 handle = SetClipboardData(CF_METAFILEPICT, data);
                 break;
             }
                 handle = SetClipboardData(CF_METAFILEPICT, data);
                 break;
             }

-#endif
+#endif // wxUSE_METAFILE
+
+#if wxUSE_ENH_METAFILE && !defined(__WXWINCE__)
+        case wxDF_ENHMETAFILE:
+            {
+                wxEnhMetaFile *emf = (wxEnhMetaFile *)data;
+                wxEnhMetaFile emfCopy = *emf;
+
+                handle = SetClipboardData(CF_ENHMETAFILE,
+                                          (void *)emfCopy.GetHENHMETAFILE());
+            }
+            break;
+#endif // wxUSE_ENH_METAFILE
+

         case CF_SYLK:
         case CF_DIF:
         case CF_TIFF:
         case CF_SYLK:
         case CF_DIF:
         case CF_TIFF:


@@ -279,6 +301,80 @@ bool wxSetClipboardData(wxDataFormat dataFormat,
                 handle = SetClipboardData(dataFormat, hGlobalMemory);
                 break;
             }
                 handle = SetClipboardData(dataFormat, hGlobalMemory);
                 break;
             }

+            // Only tested with non-Unicode, Visual C++ 6.0 so far
+#if defined(__VISUALC__) && !defined(UNICODE)
+        case wxDF_HTML:
+            {
+                char* html = (char *)data;
+                
+                // Create temporary buffer for HTML header...
+                char *buf = new char [400 + strlen(html)];
+                if(!buf) return FALSE;
+                
+                // Get clipboard id for HTML format...
+                static int cfid = 0;
+                if(!cfid) cfid = RegisterClipboardFormat(wxT("HTML Format"));
+                
+                // Create a template string for the HTML header...
+                strcpy(buf,
+                    "Version:0.9\r\n"
+                    "StartHTML:00000000\r\n"
+                    "EndHTML:00000000\r\n"
+                    "StartFragment:00000000\r\n"
+                    "EndFragment:00000000\r\n"
+                    "<html><body>\r\n"
+                    "<!--StartFragment -->\r\n");
+                
+                // Append the HTML...
+                strcat(buf, html);
+                strcat(buf, "\r\n");
+                // Finish up the HTML format...
+                strcat(buf,
+                    "<!--EndFragment-->\r\n"
+                    "</body>\r\n"
+                    "</html>");
+                
+                // Now go back, calculate all the lengths, and write out the
+                // necessary header information. Note, wsprintf() truncates the
+                // string when you overwrite it so you follow up with code to replace
+                // the 0 appended at the end with a '\r'...
+                char *ptr = strstr(buf, "StartHTML");
+                wsprintf(ptr+10, "%08u", strstr(buf, "<html>") - buf);
+                *(ptr+10+8) = '\r';
+                
+                ptr = strstr(buf, "EndHTML");
+                wsprintf(ptr+8, "%08u", strlen(buf));
+                *(ptr+8+8) = '\r';
+                
+                ptr = strstr(buf, "StartFragment");
+                wsprintf(ptr+14, "%08u", strstr(buf, "<!--StartFrag") - buf);
+                *(ptr+14+8) = '\r';
+                
+                ptr = strstr(buf, "EndFragment");
+                wsprintf(ptr+12, "%08u", strstr(buf, "<!--EndFrag") - buf);
+                *(ptr+12+8) = '\r';
+                
+                // Now you have everything in place ready to put on the
+                // clipboard.
+                
+                // Allocate global memory for transfer...
+                HGLOBAL hText = GlobalAlloc(GMEM_MOVEABLE |GMEM_DDESHARE, strlen(buf)+4);
+                
+                // Put your string in the global memory...
+                ptr = (char *)GlobalLock(hText);
+                strcpy(ptr, buf);
+                GlobalUnlock(hText);
+                
+                handle = ::SetClipboardData(cfid, hText);
+                
+                // Free memory...
+                GlobalFree(hText);
+                
+                // Clean up...
+                delete [] buf;
+                break;
+            }
+#endif

     }
 
     if ( handle == 0 )
     }
 
     if ( handle == 0 )


@@ -297,6 +393,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
 
     switch ( dataFormat )
     {
 
     switch ( dataFormat )
     {

+#ifndef __WXWINCE__

         case wxDF_BITMAP:
             {
                 BITMAP bm;
         case wxDF_BITMAP:
             {
                 BITMAP bm;


@@ -338,21 +435,18 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
                 wxBM->SetWidth(bm.bmWidth);
                 wxBM->SetHeight(bm.bmHeight);
                 wxBM->SetDepth(bm.bmPlanes);
                 wxBM->SetWidth(bm.bmWidth);
                 wxBM->SetHeight(bm.bmHeight);
                 wxBM->SetDepth(bm.bmPlanes);

-                wxBM->SetOk(TRUE);

                 retval = wxBM;
                 break;
             }
                 retval = wxBM;
                 break;
             }

-
+#endif

         case wxDF_METAFILE:
         case CF_SYLK:
         case CF_DIF:
         case CF_TIFF:
         case CF_PALETTE:
         case wxDF_DIB:
         case wxDF_METAFILE:
         case CF_SYLK:
         case CF_DIF:
         case CF_TIFF:
         case CF_PALETTE:
         case wxDF_DIB:

-            {
-                wxLogError(_("Unsupported clipboard format."));
-                return FALSE;
-            }
+            wxLogError(_("Unsupported clipboard format."));
+            return NULL;

 
         case wxDF_OEMTEXT:
             dataFormat = wxDF_TEXT;
 
         case wxDF_OEMTEXT:
             dataFormat = wxDF_TEXT;


@@ -372,11 +466,11 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
                 if (!s)
                     break;
 
                 if (!s)
                     break;
 

-                LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory);
+                LPSTR lpGlobalMemory = (LPSTR) GlobalLock(hGlobalMemory);

 
                 memcpy(s, lpGlobalMemory, hsize);
 
 
                 memcpy(s, lpGlobalMemory, hsize);
 

-                ::GlobalUnlock(hGlobalMemory);
+                GlobalUnlock(hGlobalMemory);

 
                 retval = s;
                 break;
 
                 retval = s;
                 break;


@@ -396,11 +490,11 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
                 if ( !buf )
                     break;
 
                 if ( !buf )
                     break;
 

-                LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory);
+                LPSTR lpGlobalMemory = (LPSTR) GlobalLock(hGlobalMemory);

 
                 memcpy(buf, lpGlobalMemory, size);
 
 
                 memcpy(buf, lpGlobalMemory, size);
 

-                ::GlobalUnlock(hGlobalMemory);
+                GlobalUnlock(hGlobalMemory);

 
                 retval = buf;
                 break;
 
                 retval = buf;
                 break;


@@ -417,7 +511,7 @@ void *wxGetClipboardData(wxDataFormat dataFormat, long *len)
 
 wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat)
 {
 
 wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat)
 {

-  return ::EnumClipboardFormats(dataFormat);
+  return (wxDataFormat::NativeFormat)::EnumClipboardFormats(dataFormat);

 }
 
 int wxRegisterClipboardFormat(wxChar *formatName)
 }
 
 int wxRegisterClipboardFormat(wxChar *formatName)


@@ -438,29 +532,75 @@ bool wxGetClipboardFormatName(wxDataFormat dataFormat,
 
 IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
 

-wxClipboard* wxTheClipboard = (wxClipboard *)NULL;
-

 wxClipboard::wxClipboard()
 {
 wxClipboard::wxClipboard()
 {

+    m_clearOnExit = FALSE;
+    m_isOpened = FALSE;

 }
 
 wxClipboard::~wxClipboard()
 {
 }
 
 wxClipboard::~wxClipboard()
 {

-    Clear();
+    if ( m_clearOnExit )
+    {
+        Clear();
+    }

 }
 
 void wxClipboard::Clear()
 {
 }
 
 void wxClipboard::Clear()
 {

+#if wxUSE_OLE_CLIPBOARD
+    if ( FAILED(OleSetClipboard(NULL)) )
+    {
+        wxLogLastError(wxT("OleSetClipboard(NULL)"));
+    }
+#endif
+}
+
+bool wxClipboard::Flush()
+{
+#if wxUSE_OLE_CLIPBOARD
+    if ( FAILED(OleFlushClipboard()) )
+    {
+        wxLogLastError(wxT("OleFlushClipboard"));
+
+        return FALSE;
+    }
+    else
+    {
+        m_clearOnExit = FALSE;
+
+        return TRUE;
+    }
+#else // !wxUSE_OLE_CLIPBOARD
+    return FALSE;
+#endif // wxUSE_OLE_CLIPBOARD/!wxUSE_OLE_CLIPBOARD

 }
 
 bool wxClipboard::Open()
 {
 }
 
 bool wxClipboard::Open()
 {

+    // OLE opens clipboard for us
+    m_isOpened = TRUE;
+#if wxUSE_OLE_CLIPBOARD
+    return TRUE;
+#else

     return wxOpenClipboard();
     return wxOpenClipboard();

+#endif
+}
+
+bool wxClipboard::IsOpened() const
+{
+#if wxUSE_OLE_CLIPBOARD
+    return m_isOpened;
+#else
+    return wxIsClipboardOpened();
+#endif

 }
 
 bool wxClipboard::SetData( wxDataObject *data )
 {
 }
 
 bool wxClipboard::SetData( wxDataObject *data )
 {

+#if !wxUSE_OLE_CLIPBOARD

     (void)wxEmptyClipboard();
     (void)wxEmptyClipboard();

+#endif // wxUSE_OLE_CLIPBOARD

 
     if ( data )
         return AddData(data);
 
     if ( data )
         return AddData(data);


@@ -470,12 +610,37 @@ bool wxClipboard::SetData( wxDataObject *data )
 
 bool wxClipboard::AddData( wxDataObject *data )
 {
 
 bool wxClipboard::AddData( wxDataObject *data )
 {

-    wxCHECK_MSG( data, FALSE, T("data is invalid") );
+    wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
+
+#if wxUSE_OLE_CLIPBOARD
+    HRESULT hr = OleSetClipboard(data->GetInterface());
+    if ( FAILED(hr) )
+    {
+        wxLogSysError(hr, _("Failed to put data on the clipboard"));
+
+        // don't free anything in this case
+
+        return FALSE;
+    }
+
+    // we have a problem here because we should delete wxDataObject, but we
+    // can't do it because IDataObject which we just gave to the clipboard
+    // would try to use it when it will need the data. IDataObject is ref
+    // counted and so doesn't suffer from such problem, so we release it now
+    // and tell it to delete wxDataObject when it is deleted itself.
+    data->SetAutoDelete();
+
+    // we have to call either OleSetClipboard(NULL) or OleFlushClipboard() when
+    // using OLE clipboard when the app terminates - by default, we call
+    // OleSetClipboard(NULL) which won't waste RAM, but the app can call
+    // wxClipboard::Flush() to chaneg this
+    m_clearOnExit = TRUE;

 
 

-#if wxUSE_DRAG_AND_DROP
-    wxCHECK_MSG( wxIsClipboardOpened(), FALSE, T("clipboard not open") );
+    return TRUE;
+#elif wxUSE_DATAOBJ
+    wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );

 
 

-    wxDataFormat format = data->GetFormat();
+    wxDataFormat format = data->GetPreferredFormat();

 
     switch ( format )
     {
 
     switch ( format )
     {


@@ -492,132 +657,261 @@ bool wxClipboard::AddData( wxDataObject *data )
         {
             wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data;
             wxBitmap bitmap(bitmapDataObject->GetBitmap());
         {
             wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data;
             wxBitmap bitmap(bitmapDataObject->GetBitmap());

-            return wxSetClipboardData(data->GetFormat(), &bitmap);
+            return wxSetClipboardData(data->GetPreferredFormat(), &bitmap);

         }
 
 #if wxUSE_METAFILE
         case wxDF_METAFILE:
         {
         }
 
 #if wxUSE_METAFILE
         case wxDF_METAFILE:
         {

-            wxMetafileDataObject* metaFileDataObject = 
+#if 1
+            // TODO
+            wxLogError(wxT("Not implemented because wxMetafileDataObject does not contain width and height values."));
+            return FALSE;
+#else
+            wxMetafileDataObject* metaFileDataObject =

                 (wxMetafileDataObject*) data;
             wxMetafile metaFile = metaFileDataObject->GetMetafile();
             return wxSetClipboardData(wxDF_METAFILE, &metaFile,
                                       metaFileDataObject->GetWidth(),
                                       metaFileDataObject->GetHeight());
                 (wxMetafileDataObject*) data;
             wxMetafile metaFile = metaFileDataObject->GetMetafile();
             return wxSetClipboardData(wxDF_METAFILE, &metaFile,
                                       metaFileDataObject->GetWidth(),
                                       metaFileDataObject->GetHeight());

+#endif

         }
 #endif // wxUSE_METAFILE
 
         default:
         }
 #endif // wxUSE_METAFILE
 
         default:

-            return wxSetClipboardData(data);
+        {
+// This didn't compile, of course
+//            return wxSetClipboardData(data);
+            // TODO
+            wxLogError(wxT("Not implemented."));
+            return FALSE;
+        }

     }
     }

-#else // !wxUSE_DRAG_AND_DROP
+#else // !wxUSE_DATAOBJ

     return FALSE;
     return FALSE;

-#endif // wxUSE_DRAG_AND_DROP/!wxUSE_DRAG_AND_DROP
+#endif // wxUSE_DATAOBJ/!wxUSE_DATAOBJ

 }
 
 void wxClipboard::Close()
 {
 }
 
 void wxClipboard::Close()
 {

+    m_isOpened = FALSE;
+    // OLE closes clipboard for us
+#if !wxUSE_OLE_CLIPBOARD

     wxCloseClipboard();
     wxCloseClipboard();

+#endif

 }
 
 }
 

-bool wxClipboard::IsSupported( wxDataFormat format )
+bool wxClipboard::IsSupported( const wxDataFormat& format )

 {
     return wxIsClipboardFormatAvailable(format);
 }
 
 {
     return wxIsClipboardFormatAvailable(format);
 }
 

-bool wxClipboard::GetData( wxDataObject *data )
+bool wxClipboard::GetData( wxDataObject& data )

 {
 {

-    wxCHECK_MSG( wxIsClipboardOpened(), FALSE, T("clipboard not open") );
+#if wxUSE_OLE_CLIPBOARD
+    IDataObject *pDataObject = NULL;
+    HRESULT hr = OleGetClipboard(&pDataObject);
+    if ( FAILED(hr) || !pDataObject )
+    {
+        wxLogSysError(hr, _("Failed to get data from the clipboard"));

 
 

-#if wxUSE_DRAG_AND_DROP
-    wxDataFormat format = data->GetFormat();
-    switch ( format )
+        return FALSE;
+    }
+
+    // build the list of supported formats
+    size_t nFormats = data.GetFormatCount(wxDataObject::Set);
+    wxDataFormat format;
+    wxDataFormat *formats;
+    if ( nFormats == 1 )

     {
     {

-        case wxDF_TEXT:
-        case wxDF_OEMTEXT:
+        // the most common case
+        formats = &format;
+    }
+    else
+    {
+        // bad luck, need to alloc mem
+        formats = new wxDataFormat[nFormats];
+    }
+
+    data.GetAllFormats(formats, wxDataObject::Set);
+
+    // get the data for the given formats
+    FORMATETC formatEtc;
+    CLIPFORMAT cf;
+    bool result = FALSE;
+
+    // enumerate all explicit formats on the clipboard.
+    // note that this does not include implicit / synthetic (automatically
+    // converted) formats.
+#ifdef __WXDEBUG__
+    // get the format enumerator
+    IEnumFORMATETC *pEnumFormatEtc = NULL;
+    hr = pDataObject->EnumFormatEtc(DATADIR_GET, &pEnumFormatEtc);
+    if ( FAILED(hr) || !pEnumFormatEtc )
+    {
+        wxLogSysError(hr,
+                      _("Failed to retrieve the supported clipboard formats"));
+    }
+    else
+    {
+        // ask for the supported formats and see if there are any we support
+        for ( ;; )

         {
         {

-            wxTextDataObject* textDataObject = (wxTextDataObject*) data;
-            char* s = (char*) wxGetClipboardData(format);
-            if ( s )
+            ULONG nCount;
+            hr = pEnumFormatEtc->Next(1, &formatEtc, &nCount);
+
+            // don't use FAILED() because S_FALSE would pass it
+            if ( hr != S_OK )

             {
             {

-                textDataObject->SetText(s);
-                delete[] s;
-                return TRUE;
+                // no more formats
+                break;

             }
             }

-            else
-                return FALSE;
+
+            cf = formatEtc.cfFormat;
+
+            wxLogTrace(wxTRACE_OleCalls,
+                       wxT("Object on the clipboard supports format %s."),
+                       wxDataObject::GetFormatName(cf));

         }
 
         }
 

-        case wxDF_BITMAP:
-        case wxDF_DIB:
+        pEnumFormatEtc->Release();
+    }
+#endif // Debug
+
+    STGMEDIUM medium;
+    // stop at the first valid format found on the clipboard
+    for ( size_t n = 0; !result && (n < nFormats); n++ )
+    {
+        // convert to NativeFormat Id
+        cf = formats[n].GetFormatId();
+        
+        // if the format is not available, try the next one
+        // this test includes implicit / sythetic formats
+        if ( !::IsClipboardFormatAvailable(cf) )
+            continue;
+            
+        formatEtc.cfFormat = cf;
+        formatEtc.ptd      = NULL;
+        formatEtc.dwAspect = DVASPECT_CONTENT;
+        formatEtc.lindex   = -1;
+
+        // use the appropriate tymed
+        switch ( formatEtc.cfFormat )
+        {
+            case CF_BITMAP:
+                formatEtc.tymed = TYMED_GDI;
+                break;
+
+#ifndef __WXWINCE__
+            case CF_METAFILEPICT:
+                formatEtc.tymed = TYMED_MFPICT;
+                break;
+
+            case CF_ENHMETAFILE:
+                formatEtc.tymed = TYMED_ENHMF;
+                break;
+#endif
+
+            default:
+                formatEtc.tymed = TYMED_HGLOBAL;
+        }
+
+        // try to get data
+        hr = pDataObject->GetData(&formatEtc, &medium);
+        if ( FAILED(hr) )

         {
         {

-            wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject *)data;
-            wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(data->GetFormat());
-            if (bitmap)
+            // try other tymed for GDI objects
+            if ( formatEtc.cfFormat == CF_BITMAP )

             {
             {

-                bitmapDataObject->SetBitmap(* bitmap);
-                delete bitmap;
-                return TRUE;
+                formatEtc.tymed = TYMED_HGLOBAL;
+                hr = pDataObject->GetData(&formatEtc, &medium);

             }
             }

-            else
-                return FALSE;

         }
         }

-#if wxUSE_METAFILE
-        case wxDF_METAFILE:
+
+        if ( SUCCEEDED(hr) )

         {
         {

-            wxMetafileDataObject* metaFileDataObject = (wxMetafileDataObject *)data;
-            wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE);
-            if (metaFile)
+            // pass the data to the data object
+            hr = data.GetInterface()->SetData(&formatEtc, &medium, TRUE);
+            if ( FAILED(hr) )

             {
             {

-                metaFileDataObject->SetMetafile(*metaFile);
-                delete metaFile;
-                return TRUE;
+                wxLogDebug(wxT("Failed to set data in wxIDataObject"));
+
+                // IDataObject only takes the ownership of data if it
+                // successfully got it - which is not the case here
+                ReleaseStgMedium(&medium);

             }
             else
             }
             else

-                return FALSE;
-        }
-#endif
-        default:

             {
             {

-                long len;
-                void *buf = wxGetClipboardData(format, &len);
-                if ( buf )
-                {
-                    // FIXME this is for testing only!!
-                    ((wxPrivateDataObject *)data)->SetData(buf, len);
-                    free(buf);
-
-                    return TRUE;
-                }
+                result = TRUE;

             }
             }

+        }
+        //else: unsupported tymed?
+    }

 
 

-            return FALSE;
+    if ( formats != &format )
+    {
+        delete [] formats;

     }
     }

-#else
-    return FALSE;
-#endif
-}
+    //else: we didn't allocate any memory

 
 

-//-----------------------------------------------------------------------------
-// wxClipboardModule
-//-----------------------------------------------------------------------------
+    // clean up and return
+    pDataObject->Release();

 
 

-IMPLEMENT_DYNAMIC_CLASS(wxClipboardModule,wxModule)
+    return result;
+#elif wxUSE_DATAOBJ
+    wxCHECK_MSG( wxIsClipboardOpened(), FALSE, wxT("clipboard not open") );

 
 

-bool wxClipboardModule::OnInit()
-{
-    wxTheClipboard = new wxClipboard();
+    wxDataFormat format = data.GetPreferredFormat();
+    switch ( format )
+    {
+        case wxDF_TEXT:
+        case wxDF_OEMTEXT:
+        {
+            wxTextDataObject& textDataObject = (wxTextDataObject &)data;
+            char* s = (char*)wxGetClipboardData(format);
+            if ( !s )
+                return FALSE;

 
 

-    return TRUE;
-}
+            textDataObject.SetText(wxString::FromAscii(s));
+            delete [] s;

 
 

-void wxClipboardModule::OnExit()
-{
-    if (wxTheClipboard) delete wxTheClipboard;
-    wxTheClipboard = (wxClipboard*) NULL;
+            return TRUE;
+        }
+
+        case wxDF_BITMAP:
+        case wxDF_DIB:
+        {
+            wxBitmapDataObject& bitmapDataObject = (wxBitmapDataObject &)data;
+            wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(data.GetPreferredFormat());
+            if ( !bitmap )
+                return FALSE;
+
+            bitmapDataObject.SetBitmap(*bitmap);
+            delete bitmap;
+
+            return TRUE;
+        }
+#if wxUSE_METAFILE
+        case wxDF_METAFILE:
+        {
+            wxMetafileDataObject& metaFileDataObject = (wxMetafileDataObject &)data;
+            wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE);
+            if ( !metaFile )
+                return FALSE;
+
+            metaFileDataObject.SetMetafile(*metaFile);
+            delete metaFile;
+
+            return TRUE;
+        }
+#endif // wxUSE_METAFILE
+    }
+    return FALSE;
+#else // !wxUSE_DATAOBJ
+    wxFAIL_MSG( wxT("no clipboard implementation") );
+    return FALSE;
+#endif // wxUSE_OLE_CLIPBOARD/wxUSE_DATAOBJ

 }
 
 }
 

-#else
-    #error "Please turn wxUSE_CLIPBOARD on to compile this file."

 #endif // wxUSE_CLIPBOARD
 
 #endif // wxUSE_CLIPBOARD